function points = zigzag(k)
    TABLE = [1,9,2,3,10,17,25,18,11,4,5,12,19,26,33,41,34,27,20,13,6,...
        7,14,21,28,35,42,49,57,50,43,36,29,22,15,8,16,23,30,37,44,51,58,...
        59,52,45,38,31,24,32,39,46,53,60,61,54,47,40,48,55,62,63,56,64];
    v = TABLE(k + 1) - 1;
    M = mod(v, 8) + 1;
    N = floor(v / 8) + 1;
    points = [M;N];
end
